55752971 has 2 divisors, whose sum is σ = 55752972. Its totient is φ = 55752970.

The previous prime is 55752959. The next prime is 55752997. The reversal of 55752971 is 17925755.

55752971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55752971 is a prime.

It is not a weakly prime, because it can be changed into another prime (55752941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27876485 + 27876486.

It is an arithmetic number, because the mean of its divisors is an integer number (27876486).

Almost surely, 2^55752971 is an apocalyptic number.

55752971 is a deficient number, since it is larger than the sum of its proper divisors (1).

55752971 is an equidigital number, since it uses as much as digits as its factorization.

55752971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110250, while the sum is 41.

The square root of 55752971 is about 7466.7912117589. The cubic root of 55752971 is about 382.0228484273.

The spelling of 55752971 in words is "fifty-five million, seven hundred fifty-two thousand, nine hundred seventy-one".